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Frequently Asked Questions

What is a DataSet?

Data Access - Windows Forms FAQs
Think of a DataSet as a local in-memory copy of a set of database tables and their associated relationships and constraints. With the client-server model in the past, client applications held onto a connection to the data source and updated and added...

What is a limited dataset?

UCSF Human Research Protection Program - CHR - HIPAA - Frequ...
A limited dataset is a limited set of identifiable information in which most of the identifiers for the individual, the individual’s relatives, employers and household members have been removed. The only allowable health information identifiers are: The advantages of using a limited dataset include that the disclosures are not subject to HIPAA accounting requirements and that an individual’s authorization does not need to be obtained.

I want to request a dataset from a recent publication. How do I do this?

Frequently Asked Questions (FAQs) on Data Sharing
You should check the publication to see if reference is made to an archive, an enclave, or a Website where the data might be available. If no such information is provided, you may wish to send a letter to the PI to see if the data are available for sharing, and where you might be able to get the data and associated documentation. If any NIH support (i.e.

Why are there people under age 65 in my Medicare dataset?

Medicare Frequently Asked Questions (FAQ)
There are other ways to become eligible for Medicare beside turning 65. See "Who are the Medicare beneficiaries?"

What is the difference between a Series and a DataSet?

GEO FAQ
A GEO Series (GSExxx) is an original submitter-supplied record that summarizes an experiment. These data are reassembled by GEO staff into GEO Datasets (GDSxxx). A DataSet represents a collection of biologically- and statistically-comparable Samples processed using the same Platform. Information reflecting experimental variables is provided through DataSet subsets.

How to use OleDb DataSet?

Megasolutions.net :: Asp.Net Frequently Asked Questions - FA...
Dim strConn As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("nwind.mdb") & ";" string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("nwind.mdb") + ";";

How much of a given dataset can I see?

GeoIndex - FAQ
Only the location of the data and a few other relevant pieces of information are shown. It is not intended that users should see the actual data because in many cases this can only be done under licence.

What is the couples' dataset?

CLOC - Frequently asked Questions
The couples' dataset is a cross-sectional source of data, consisting of the Baseline responses of both members of 423 couples. Results from a hierarchical linear modeling analysis indicated that there was no couple level effect on mortality. Hence, individuals can be treated as independent sources of data when mortality is the dependent variable of interest.

Why has this dataset been created?

USGS: National Hydrography Dataset - NHD Frequently Asked Qu...
The idea is to combine spatial accuracy with detailed features, attributes, and values. Information such as flow paths, permanent reach IDs, and hydrologic ordering can now be used in modeling. The NHD is not designed to replace or supercede existing datasets, but offer users another tool with more flexibility.

How do I programmatically move through a DataSet that has bound controls?

Data Access - Windows Forms FAQs
You have to access a property called the Binding Context and then retrieve the BindingContext associated with the DataSet and data member that you used for binding. After you have access to this object you just set the position property. You can move...

How do I add support to update a DataSet?

Data Access - Windows Forms FAQs
To be able to write changes back to the data source, the DataAdapter object that populates your DataSet should have commands set for creating, reading, updating, and deleting. If you are using SQL Server, the class SqlCommandBuilder will generate these...

How to retrieve value of a field in a dataset?

Megasolutions.net :: Asp.Net Frequently Asked Questions - FA...
where TableName and ColumnName could be also integer (not in quotes then) to indicate you refer to the table's or column's index position. Rows(0) indicates the first and only row in DataTable's Rows collection

How can I tell what dataset, functions, or extensions a SPARQL endpoint supports?

SPARQL Protocol and Query Language: SPARQL Frequently Asked ...
There is currently no established, interoperable method for representing or accessing functional descriptions of SPARQL endpoints. (This is not to be confused with the WSDL which describes the SPARQL Protocol itself.) The Data Access Working Group postponed this topic in 2005, leaving behind a draft "of historical interest only.

How can I find a certain dataset that I heard was available on CDC WONDER?

Frequently Asked Questions
The alphabetical index includes the descriptive title, the official name and the acronym for each data item; The "Search" feature finds pages that contain a specific word or phrase. We are always glad to add more data to WONDER. Please contact us with your suggestions!

Why do I get an error that the system is unable to find "Table" when I update a DataSet?

Data Access - Windows Forms FAQs
Are you calling Update on the dataset like this without specifying the name of the table that you are updating? The problem is that when table names are not given, the system the table is named Table. This, of course, causes the update to fail if the...

Why do I get the error message "Value cannot be null. Parameter name: dataSet "?

Megasolutions.net :: Asp.Net Frequently Asked Questions - FA...
The cause of this error may be that you have declared a dataset but have not written the following statement
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